4243210013021 has 8 divisors (see below), whose sum is σ = 4849801123200. Its totient is φ = 3636723465648.

The previous prime is 4243210012997. The next prime is 4243210013113. The reversal of 4243210013021 is 1203100123424.

4243210013021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4243210013021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243210013521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26053721 + ... + 26216078.

It is an arithmetic number, because the mean of its divisors is an integer number (606225140400).

Almost surely, 2^{4243210013021} is an apocalyptic number.

It is an amenable number.

4243210013021 is a deficient number, since it is larger than the sum of its proper divisors (606591110179).

4243210013021 is a wasteful number, since it uses less digits than its factorization.

4243210013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52281403.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 4243210013021 its reverse (1203100123424), we get a palindrome (5446310136445).

The spelling of 4243210013021 in words is "four trillion, two hundred forty-three billion, two hundred ten million, thirteen thousand, twenty-one".